Finding the Fourth Proportional to 1,566,269.21, 2,349,405.67 and 429,041.21
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Solution
The fourth proportional to 1,566,269.21, 2,349,405.67 and 429,041.21 is: 643,562.32
Step by Step Solution
- Step 1: Write the proportion equation
1,566,269.21 : 2,349,405.67 = 429,041.21 : x - Step 2: Convert to fraction form
1,566,269.21/2,349,405.67 = 429,041.21/x - Step 3: Cross multiply
1,566,269.21x = 2,349,405.67 × 429,041.21 - Step 4: Simplify right side
1,566,269.21x = 1,007,991,838,618.03 - Step 5: Solve for x
x = 1,007,991,838,618.03/1,566,269.21 - Step 6: Final answer
x = 643,562.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.